Snipers & SWAT are the good gametypes here. Invasion is also a viable option as the longer game times can give you the final boost you need.

Five-time Champ – Win 5 games in multiplayer Matchmaking – 1750cR

Play the game you're good at. Play a game that has a higher chance of finishing in a win or loose rather than a draw. Invasion and Attack & Defend Objective games are quite likely to end in a Stalemate.